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Finding the Fourth Proportional to 109,397.44, 164,144.40 and 104,673.44

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Solution

The fourth proportional to 109,397.44, 164,144.40 and 104,673.44 is: 157,056.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,397.44 : 164,144.40 = 104,673.44 : x
  2. Step 2: Convert to fraction form
    109,397.44/164,144.40 = 104,673.44/x
  3. Step 3: Cross multiply
    109,397.44x = 164,144.40 × 104,673.44
  4. Step 4: Simplify right side
    109,397.44x = 17,181,559,004.74
  5. Step 5: Solve for x
    x = 17,181,559,004.74/109,397.44
  6. Step 6: Final answer
    x = 157,056.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.